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Course Detail

Course Name Environmental Engineering I
Course Code 15CVL312
Program B. Tech. in Civil Engineering
Semester Six
Year Taught 2019


Unit 1

Water Supply Systems: Need for protected water supply – objectives of water supply system. Factors affecting per capita consumption, fire demand, fluctuations in rate of consumption – population forecasting – Design periods for water supply components.

Intake Works and Transportation: Intakes – types, location, requirements and features. Transportation of water – Types of conduits – relative merits, selection, joints, hydraulic design, and cross-connected parallel pipe to increase capacity – pipe laying and testing.

Quality and Analysis of Water: Impurities in raw water – causes – effects / significance – analysis – tests – Bacteriology of water, bacteriological analysis – Water borne diseases – Standards of water quality.

Unit 2

Treatment of Water – Conventional Treatment flow charts – Principles of coagulation, flocculation and sedimentation – Design principles of – Flash mixer –Design and drawing (Detailed sketch) of Flocculator and Sedimentation tank.

Filtration – Principles of Filtration – Classification. Constructional and operational features of slow sand filters and rapid sand filters – Design criteria. Design and drawing (Detailed sketch) of slow sand filters and rapid sand filters.

Disinfection – methods and disinfectants – Disinfection devices – Chlorination, other methods. Miscellaneous treatment methods – aeration, taste and odour control, iron and manganese removal, water softening, fluoridation and defluoridation and demineralization – Residue Management .

Unit 3

Distribution of Water: Distribution network – Requirements of distribution system – Analysis by Hardy Cross method – Equivalent Pipe method – Computer application. Service reservoirs – functions, classification – Service reservoir design. Waste detection and prevention – Metered and unmetered water supplies. Necessity of pumping in water supply – classification and brief description of types of pumps – selection of pump – calculation of head, horsepower – economical diameter of pumping main.

Plumbing and Pumping: Drainage layout – plumbing components – traps and fittings – water seal – plumbing systems – choice – Principles governing drainage – plumbing design, IS Code provisions. Water supply of buildings – service connection to buildings.

Text Books

  1. Birdie G. S and Birdie J. S, “Water Supply and Sanitary Engineering”, Dhanpat Rai & Sons, 2010.


  • Garg S. K, “Environmental Engineering”, Vol. I, Khanna Publishers, 2004 .
  • Duggal, K. N., “Elements of Environmental Engineering”, S Chand & Co. Ltd., 2007.
  • Mark J. Hammer and Mark J. Hammer Jr., “Water and Waste Water Technology”, Prentice Hall of India Pvt. Ltd., 2008.
  • Sawyer and McCarty, “Chemistry for Environmental Engineering”, Tata McGraw-Hill, 2003.

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